BIOS Settings Glossary version 13 - Alphabetical

BIOS Settings Dictionary – Alphabetical
V13 – November 2009
U
BIOS Setting Appears on BIOS
Screen…
Options Description / Purpose
UEFI boot Boot • Enabled
• Disabled
Enables or disables Unified Extended Firmware Interface
(UEFI) Boot.
For information on UEFI, refer to http://www.uefi.org/home
Unlock Intel(R)
QST
Advanced > Fan
Control
Configuration
• No
• Yes
Yes option allows the fan control settings to be
changed using software.
USB 2.0 Advanced > USB
Configuration
• Enabled
• Disabled
Disabled will turn off all USB functionality. This feature
can be used for security purposes.
USB 2.0 Legacy
Support
Advanced > USB
Configuration
• Full-Speed
• Hi-Speed
Configures the USB 2.0 legacy support to Full-Speed (12
Mbps) or Hi-Speed (480 Mbps).
USB Boot Boot • Enabled
• Disabled
Disables or enables booting from USB boot devices.
USB Controller Advanced > USB
Configuration
• Enabled
• Disabled
Disables or enables USB functionality.
USB Device Bootable Boot • Enabled
• Disabled
Disables or enables booting from USB boot devices.
USB EHCI Controller Advanced > USB
Configuration
• Enabled
• Disabled
Enables or disables high-speed USB transfers (USB 2.0)
USB Function
This BIOS setting is
present only when the
BIOS configuration
jumper is set to
Maintenance mode.
Advanced > USB
Configuration
• Enabled
• Disabled
Disables or enables USB functionality.
If Disabled, the Advanced > USB Configuration menu will
NOT include any changeable options. The menu will
appear blank.
USB Legacy Advanced > USB
Configuration
• Enabled
• Disabled
USB Legacy support allows the BIOS to interact with a
USB keyboard, and in limited cases, a USB mouse.
USB Mass Storage
Emulation Type
Boot • Auto
• All Removable
• All Fixed Disc
• Size
Allows you to set the emulation type for USB drives.
Auto - relies on USB device design and media format to
set emulation type.
All Removable - set USB mass devices to emulate
removable drives. Master Boot Record format needed for
USB mass device.
All Fixed Disc - sets USB mass devices to emulate fixed
discs.
Size - sets emulation type based on media size.
USB Ports Advanced > USB
Configuration
• Enable all
• Disable all
• Disable Dual
Rear Ports
• Disable FP USB
Header
Enables or disables USB ports. Options to enable or
disable may vary by board.
USB ZIP Emulation
Type
Advanced > USB
Configuration
• Floppy
• Hard Disk
Allows you to set the emulation type for USB Zip drives
Use Automatic Mode Advanced > Drive
Configuration
• Enabled
• Disabled
Allows you to manually set the bootable devices
configuration for legacy operating systems (OS). Legacy
OS may only allow 4 devices, which means you must
choose to use the IDE controller as one of your 4 devices.